Check out “A widely diverged locus involved in locomotor adaptation in Heliconius butterflies” by Zhang, Teng, Lu, Liu, Zeng, Cao, Southcott, Potdar (graduate student in the Westerman Lab!), Westerman, Zhu, and Zhang to learn about a locus that influences flight behavior in Heliconius butterflies. A link to the paper can be found here.